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Oculomotor apraxia Cogan type

Other Names for this Disease
  • Cogan's syndrome type 2
  • COMA
  • Congenital oculomotor apraxia
  • Saccade initiation failure congenital
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Oculomotor apraxia Cogan type is a very rare inherited eye condition characterized by a defect in side-to-side (horizontal) eye movements. When affected infants rotate their heads to the side to look at an object, their eyes will lag and then move in the opposite direction. To compensate for this, these infants will sharply jerk their heads past the desired object in effort to bring the eyes to a position where they can view the object. This condition can also be associated with mild developmental delay and speech difficulties. Symptoms usually improve throughout the first and second decades of life. The specific cause and inheritance pattern is unknown. Around 50 cases have been described in the medical literature.[1]
Last updated: 4/22/2011


  1. Ocular Motor Apraxia, Cogan Type. National Organization for Rare Disorders (NORD). Accessed 4/22/2011.
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Basic Information

  • The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.

In Depth Information

  • The Online Mendelian Inheritance in Man (OMIM) is an catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Oculomotor apraxia Cogan type. Click on the link to view a sample search on this topic.